<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="container"></div>
<script>
  // console.log(100)
  // setTimeout(() => {
  //   console.log(200)
  // })
  // Promise.resolve().then(() => {
  //   console.log(300)
  // })
  // console.log(400)    //100   400   300    200
</script>
</body>
</html>
